HELP PLEASE WILL MARK BRANIEST IF right

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Which of the following scenarios demonstrates an exponential decay